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Hi Stefano,

Interesting comment : "UAProf data is frequently unreliable".

I assumed that the UAProf was the starting point for the data in the
resources and I think that a reference to that source is vital exactly
because it goes to the question of reliability.

This is precisely the issue I wanted to raise : what is the source of
the data and how is one to assess it's reliability.
It is not that I have doubts about the reliability of the data (how
could I), it is that I want to know what the source is and I want to
be able to respond to the often heard comment : Yes, but X says that's
wrong and that the data is unreliable.

Having the UAProf to some point effectively addresses the issue : if
the 'industry standard' data published by the OEM/Vendor is unreliable
(how do we know ?) what is "reliable" ?

I personally have frequently been confronted with this : "your" data
says XYZ, I think that's wrong because so-and-so says it should be
QRS. My 'standard' response to that is exactly to refer to the UAProf
and some data item in it that is demonstrably wrong. The point being :
the reliability of all data can be questioned sometimes with good
cause, sometimes not. The question is : what is going to be the
'benchmark' to compare against and the UAProf, given it's presumed
authoritative source. i.e. the OEM/Vendor, serves that purpose
perfectly even if and particularly because it too is unreliable.

So, to answer your question : the use case : a bit of *vital*
'academic sophistry' when the question of reliability rears it's ugly
head and a reference to the 'authoritative industry standard'
'benchmark' source even if it may not the the source of the DMAP
resources.

Apart from that and also *very* important, having the UAProf would
allow to add properties to the data set which are currently not
covered in DMAP, even if this 'authoritative' source is not 100% reliable.

Including a reference to this albeit poorly implemented and flawed
industry standard -- see also W3C's DDR API -- seems evident to me.

Kind Regards,

esjr
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